Analysis

  • max time kernel
    148s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2024 01:42

General

  • Target

    22c76bd0edd2ea6566dfe0d5c69dbfab47bad66bef4886d9944820afaf934eab.exe

  • Size

    694KB

  • MD5

    4bb032b37094b8fe43b01ae9df1b0bc1

  • SHA1

    7fcbba44c546cb388212a293bcc5652c7c6d96b4

  • SHA256

    22c76bd0edd2ea6566dfe0d5c69dbfab47bad66bef4886d9944820afaf934eab

  • SHA512

    edb2d2462e06ec07c6a5b94ebeaf1bea1484244d520f506b1f3bd6568aaf07c75548481524ba7146151860ad7523d9fd5b787b569f474d7e7e109b69edc51f4e

  • SSDEEP

    12288:G+Dbg7B778QefLJb/bl3ppB6qkxyUFpnHVglcbSI/Z05zKgcCIEzGJNkZ1AVYM85:fg7BaLJbT6q2yyp4ntvcC5zesZt1Nu40

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.royalgroup.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Royal@12345

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22c76bd0edd2ea6566dfe0d5c69dbfab47bad66bef4886d9944820afaf934eab.exe
    "C:\Users\Admin\AppData\Local\Temp\22c76bd0edd2ea6566dfe0d5c69dbfab47bad66bef4886d9944820afaf934eab.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\22c76bd0edd2ea6566dfe0d5c69dbfab47bad66bef4886d9944820afaf934eab.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tkYxxPcWz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:392
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tkYxxPcWz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6522.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    55f27241384040d250cd37c5c3a6fb0d

    SHA1

    e6ae6bcc545c0a66ce03e02ac3bb0083c3d7515a

    SHA256

    d4665a85d5a2d0d1df7dfc73b8a08e7a85b5bf44de2c68661e57ba5604c79e6f

    SHA512

    eca04e31eddad90adcf079af2625721d4c4db38967c0261ebbb8c3f158d0d5e7b18be6a1d9d5f73456d24896caddfd2b93806e1097b5eed3e71f3d5d2f6a31b1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cdb4kjre.cbb.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6522.tmp

    Filesize

    1KB

    MD5

    89308f872a80fbf6ba0d1b619ef27b13

    SHA1

    5b0c49c3be454e43ab35f3034b2017917c6351be

    SHA256

    f4b10790833bac406b589d1b263e3a9c3ea03dd5c0119991ec27bb06715a1fd5

    SHA512

    5498b83b3ee10bd09530e090cba8ed04976961fd89f2ede7f0b9537e55a8634fbe1fd2f67bb66d32362baeac13ff3e671b6057f039662c9e7716ed7b9116e68b

  • memory/392-73-0x0000000007870000-0x000000000788A000-memory.dmp

    Filesize

    104KB

  • memory/392-24-0x00000000051A0000-0x00000000051B0000-memory.dmp

    Filesize

    64KB

  • memory/392-72-0x0000000007EB0000-0x000000000852A000-memory.dmp

    Filesize

    6.5MB

  • memory/392-60-0x0000000070000000-0x000000007004C000-memory.dmp

    Filesize

    304KB

  • memory/392-86-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/392-25-0x00000000051A0000-0x00000000051B0000-memory.dmp

    Filesize

    64KB

  • memory/392-75-0x0000000007AF0000-0x0000000007B86000-memory.dmp

    Filesize

    600KB

  • memory/392-70-0x0000000006B00000-0x0000000006B1E000-memory.dmp

    Filesize

    120KB

  • memory/392-71-0x0000000007730000-0x00000000077D3000-memory.dmp

    Filesize

    652KB

  • memory/392-23-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2564-7-0x00000000060C0000-0x00000000060CE000-memory.dmp

    Filesize

    56KB

  • memory/2564-8-0x00000000060D0000-0x00000000060E6000-memory.dmp

    Filesize

    88KB

  • memory/2564-89-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2564-0-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2564-90-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/2564-10-0x00000000089A0000-0x0000000008A3C000-memory.dmp

    Filesize

    624KB

  • memory/2564-9-0x0000000006110000-0x0000000006192000-memory.dmp

    Filesize

    520KB

  • memory/2564-88-0x00000000076A0000-0x00000000076F0000-memory.dmp

    Filesize

    320KB

  • memory/2564-6-0x0000000006090000-0x00000000060A8000-memory.dmp

    Filesize

    96KB

  • memory/2564-5-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

    Filesize

    40KB

  • memory/2564-4-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/2564-37-0x00000000061C0000-0x0000000006202000-memory.dmp

    Filesize

    264KB

  • memory/2564-3-0x0000000004F20000-0x0000000004FB2000-memory.dmp

    Filesize

    584KB

  • memory/2564-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

    Filesize

    5.6MB

  • memory/2564-1-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4204-19-0x0000000002F00000-0x0000000002F10000-memory.dmp

    Filesize

    64KB

  • memory/4204-49-0x0000000007A60000-0x0000000007A92000-memory.dmp

    Filesize

    200KB

  • memory/4204-50-0x0000000070000000-0x000000007004C000-memory.dmp

    Filesize

    304KB

  • memory/4204-48-0x0000000006930000-0x000000000697C000-memory.dmp

    Filesize

    304KB

  • memory/4204-47-0x0000000006880000-0x000000000689E000-memory.dmp

    Filesize

    120KB

  • memory/4204-36-0x0000000006290000-0x00000000065E4000-memory.dmp

    Filesize

    3.3MB

  • memory/4204-74-0x0000000007C40000-0x0000000007C4A000-memory.dmp

    Filesize

    40KB

  • memory/4204-20-0x00000000058E0000-0x0000000005902000-memory.dmp

    Filesize

    136KB

  • memory/4204-76-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

    Filesize

    68KB

  • memory/4204-77-0x0000000007E00000-0x0000000007E0E000-memory.dmp

    Filesize

    56KB

  • memory/4204-78-0x0000000007E10000-0x0000000007E24000-memory.dmp

    Filesize

    80KB

  • memory/4204-79-0x0000000007F10000-0x0000000007F2A000-memory.dmp

    Filesize

    104KB

  • memory/4204-80-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

    Filesize

    32KB

  • memory/4204-21-0x0000000005980000-0x00000000059E6000-memory.dmp

    Filesize

    408KB

  • memory/4204-22-0x0000000006160000-0x00000000061C6000-memory.dmp

    Filesize

    408KB

  • memory/4204-87-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4204-16-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4204-17-0x0000000005A30000-0x0000000006058000-memory.dmp

    Filesize

    6.2MB

  • memory/4204-18-0x0000000002F00000-0x0000000002F10000-memory.dmp

    Filesize

    64KB

  • memory/4204-15-0x0000000002FA0000-0x0000000002FD6000-memory.dmp

    Filesize

    216KB